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Forum: Discrete Mathematics, Set Theory, and Logic

Discrete Math, Graph Theory, Combinatorics, Recurrence Relations (Difference Equations), Set Theory, General and Symbolic Logic

  1. Sticky Thread Sticky Threads

  2. Sticky Thread Difference equation tutorial: draft of part II

    Started by chisigma, April 15th, 2012 12:32
    • Replies: 2
    • Views: 2,933
    March 2nd, 2013, 05:47 Go to last post
  3. Sticky Thread Difference equation tutorial: draft of part I

    Started by chisigma, March 2nd, 2012 12:37
    • Replies: 3
    • Views: 3,125
    March 6th, 2012, 03:02 Go to last post
  4. Sticky Thread Please Read Before Posting Logic Questions

    Started by Ackbach, January 27th, 2012 23:00
    • Replies: 0
    • Views: 1,610
    January 27th, 2012, 23:00 Go to last post
  1. Normal Thread Normal Threads

  2. What does the algorithm calculate?

    Started by mathmari, January 17th, 2017 23:59
    algorithm, calculate, hey
    • Replies: 1
    • Views: 65
    January 19th, 2017, 06:13 Go to last post
  3. Formulas of predicate logic

    Started by mathmari, January 17th, 2017 16:58
    $22$, fly, neg, rightarrow, textcan
    • Replies: 3
    • Views: 72
    January 19th, 2017, 04:21 Go to last post
  4. Bitwise operations

    Started by mathmari, December 21st, 2016 12:11
    bitwise, hey, jmn, means, operations
    • Replies: 5
    • Views: 219
    December 27th, 2016, 01:24 Go to last post
  5. [SOLVED] Analyzing a Difference Equation

    Started by Theia, July 19th, 2016 12:24
    case, difference, equation, serie, solution
    • Replies: 5
    • Views: 315
    December 23rd, 2016, 16:15 Go to last post
    • Replies: 3
    • Views: 98
    December 21st, 2016, 18:22 Go to last post
  6. Cardinality: Is the last sum correct?

    Started by mathmari, December 20th, 2016 06:30
    $p_n$, correct, ldots, set, sum
    • Replies: 0
    • Views: 66
    December 20th, 2016, 06:30 Go to last post
    • Replies: 2
    • Views: 122
    December 17th, 2016, 12:36 Go to last post
  7. Question regarding pigeonhole method , number induction

    Started by ffdude, October 30th, 2016 04:11
    • Replies: 2
    • Views: 142
    December 14th, 2016, 11:16 Go to last post
  8. Why is f being an injection equivalent to this ?

    Started by fatineouahbi, December 13th, 2016 12:54
    fa⋂b, injection, question, solve, supposition
    • Replies: 1
    • Views: 114
    December 14th, 2016, 09:57 Go to last post
  9. Composite applications

    Started by fatineouahbi, December 13th, 2016 14:37
    applications, composites, injection, surjection
    • Replies: 2
    • Views: 111
    December 13th, 2016, 21:32 Go to last post
  10. A problem in set theory

    Started by Ella, December 10th, 2016 21:12
    pn∖n, proper, question, set, subset
    • Replies: 1
    • Views: 106
    December 11th, 2016, 06:04 Go to last post
  11. How to solve this problem?

    Started by johndunlop, December 8th, 2016 10:43
    daim, lila, month, philo, viknesh
    • Replies: 1
    • Views: 191
    December 9th, 2016, 00:12 Go to last post
  12. How can we apply the functions?

    Started by mathmari, December 6th, 2016 21:48
    • Replies: 2
    • Views: 83
    December 7th, 2016, 13:04 Go to last post
  13. A Surjective function from [0,1]\{1/2} to [0,1]

    Started by Ella, December 5th, 2016 08:50
    1]1/2, function, question, surjective, [0,1]
    • Replies: 1
    • Views: 93
    December 5th, 2016, 12:07 Go to last post
  14. How to find the dfa

    Started by evinda, August 7th, 2016 16:41
    5 Pages
    1 2 3 ... 5
    • Replies: 43
    • Views: 1,288
    November 29th, 2016, 12:58 Go to last post
  15. Prim's algorithm for minimal spanning tree

    Started by LearnerJr, November 20th, 2016 20:46
    • Replies: 2
    • Views: 127
    November 20th, 2016, 21:16 Go to last post
  16. Diophantine Equation

    Started by Jkawa, November 13th, 2016 19:30
    $m$, $n$, 105$, find, integers
    • Replies: 7
    • Views: 224
    November 14th, 2016, 01:50 Go to last post
  17. Is it the algorithm the optimal one?

    Started by evinda, November 1st, 2016 13:17
    3 Pages
    1 2 3
    algorithm, char, chosen, number, optimal
    • Replies: 20
    • Views: 560
    November 7th, 2016, 13:41 Go to last post
    • Replies: 4
    • Views: 185
    November 5th, 2016, 18:20 Go to last post
  18. Show that the game ends

    Started by evinda, October 29th, 2016 18:30
    3 Pages
    1 2 3
    ball, balls, game, marked, throw
    • Replies: 25
    • Views: 609
    November 5th, 2016, 15:50 Go to last post
    • Replies: 1
    • Views: 115
    October 31st, 2016, 15:52 Go to last post
  19. Is Cantor's second diagonal proof valid?

    Started by Phar2wild, October 11th, 2016 18:58
    cantors, list, number, proof, scenario
    • Replies: 6
    • Views: 271
    October 30th, 2016, 09:32 Go to last post
  20. Addition of binary numbers

    Started by evinda, July 21st, 2016 12:53
    2 Pages
    1 2
    • Replies: 17
    • Views: 596
    October 29th, 2016, 08:26 Go to last post
  21. Proof of sets

    Started by Mathick, October 19th, 2016 14:41
    $pz, cap, cup, sets, true
    • Replies: 1
    • Views: 159
    October 20th, 2016, 13:50 Go to last post
  22. Formal proof using the deduction theorem

    Started by Yankel, October 8th, 2016 06:24
    • Replies: 0
    • Views: 179
    October 8th, 2016, 06:24 Go to last post
  23. Rules of Inference

    Started by Yankel, October 3rd, 2016 11:11
    • Replies: 2
    • Views: 138
    October 3rd, 2016, 15:54 Go to last post
  24. CNF Form

    Started by Yankel, September 28th, 2016 11:07
    advance, cnf, form, rules, unsuccessfully
    • Replies: 3
    • Views: 183
    September 29th, 2016, 16:38 Go to last post
  25. prove relationship between sets

    Started by biocamme, September 21st, 2016 20:38
    a∩b^c=a^c∪b^c, a∪b^c=a^c∩b^c, prove, sets, relationship
    • Replies: 4
    • Views: 249
    September 27th, 2016, 19:40 Go to last post

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